http-simple-calculator-thing.td.jsonld

{
  "@context": [
    "https://www.w3.org/2019/wot/td/v1",
    "https://www.w3.org/2022/wot/td/v1.1",
    {
      "@language": "en"
    }
  ],
  "@type": "Thing",
  "title": "http-express-calculator-simple",
  "description": "Calculator Thing",
  "securityDefinitions": {
    "nosec_sc": {
      "scheme": "nosec"
    }
  },
  "security": [
    "nosec_sc"
  ],
  "base": "http://localhost:3000/http-express-calculator-simple/",
  "properties": {
    "result": {
      "type": "number",
      "readOnly": true,
      "writeOnly": false,
      "observable": true,
      "forms": [
        {
          "href": "properties/result",
          "contentType": "application/json",
          "op": [
            "readproperty"
          ]
        },
        {
          "href": "properties/result/observe",
          "contentType": "application/json",
          "op": [
            "observeproperty",
            "unobserveproperty"
          ],
          "subprotocol": "sse"
        }
      ]
    },
    "lastChange": {
      "type": "string",
      "format": "date-time",
      "readOnly": true,
      "writeOnly": false,
      "observable": true,
      "forms": [
        {
          "href": "properties/lastChange",
          "contentType": "application/json",
          "op": [
            "readproperty"
          ]
        },
        {
          "href": "properties/lastChange/observe",
          "contentType": "application/json",
          "op": [
            "observeproperty",
            "unobserveproperty"
          ],
          "subprotocol": "sse"
        }
      ]
    }
  },
  "actions": {
    "add": {
      "input": {
        "type": "number"
      },
      "output": {
        "type": "number"
      },
      "idempotent": false,
      "safe": false,
      "forms": [
        {
          "href": "actions/add",
          "contentType": "application/json",
          "op": [
            "invokeaction"
          ]
        }
      ]
    },
    "subtract": {
      "input": {
        "type": "number"
      },
      "output": {
        "type": "number"
      },
      "idempotent": false,
      "safe": false,
      "forms": [
        {
          "href": "actions/subtract",
          "contentType": "application/json",
          "op": [
            "invokeaction"
          ]
        }
      ]
    }
  },
  "events": {
    "update": {
      "data": {
        "type": "object"
      },
      "forms": [
        {
          "href": "events/update",
          "contentType": "application/json",
          "op": [
            "subscribeevent",
            "unsubscribeevent"
          ],
          "subprotocol": "sse"
        }
      ]
    }
  }
}